3-56 Using the Detector
Sample scan screens after a zero-scan
When you run the zero-scan, you specify the starting and ending wavelengths,
other wavelength, pace, tick marks, and sensitivity for the zero-scan and
subsequent sample scans. You must try to run sample scans within 15
minutes of the baseline zero-scan.
Tip: The most recent zero-scan performed or retrieved remains current until
you perform or retrieve another or clear the zero-scan. The zero-scan must
suit the subsequent sample scans you perform. The sample scan uses the
starting and ending wavelength values and the pace value of the most recent
zero-scan. Only when these parameter values are identical for both the zero
and sample scans can you then subtract the zero-scan.
During a zero-scan, data are charted out via the detector analog channel A. At
the same time, reference energy is charted out via channel B, at the EU
specified on channel A.
During a sample scan, data are charted out via the detector analog channel A
using the specified EUFS setting. At the same time, reference energy is
charted out via channel B.
Sample scan
Sample scan (screen 2 of 2)
(screen 1 of 2)
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